APA (7th ed.) Citation

Sibelius, J., Bryn-Julson, P., & Gibson, A. (1978). Tone poems. RCA Red Seal.

Chicago Style (17th ed.) Citation

Sibelius, Jean, Phyllis Bryn-Julson, and Alexander Gibson. Tone Poems. RCA Red Seal, 1978.

MLA (9th ed.) Citation

Sibelius, Jean, et al. Tone Poems. RCA Red Seal, 1978.